303Devs is a modern software development studio crafting high-quality web, mobile, and blockchain solutions—from MVPs to scalable platforms.

Headquartered in Colorado and led by full-stack engineer Anthony Merino, we blend deep technical expertise with real-world business sense. Our hybrid approach allows us to support a wide range of clients—from early-stage startups validating bold ideas, to established businesses optimizing operations, to Web3 teams building the future of the internet.

We specialize in:
⚙️ Custom web and mobile applications
📱 React, React Native, Next.js, Node.js
🔐 APIs, microservices, DevOps, and CI/CD
🧠 Blockchain integrations, smart contracts, and dApps
🛍️ E-commerce, fintech, fitness, crowdfunding, and more

At 303Devs, we don’t just write code—we partner with you to design systems that scale, user experiences that delight, and technology stacks that make sense. We value clean architecture, smart execution, and long-term relationships.

Whether you’re building your first product, extending your internal team, or exploring new frontiers in tech—we’re here to help you launch and grow with confidence.

Let’s build something that lasts.

303Devs LLC

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303Devs LLC

Org chart

Teams

Offices

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